Style notes: Always a constant fave in our wardrobes, these comfy-cool (and surprisingly lightweight!) combat boots are ready to serve up some looks. Details: Ankle Boots, Round Rubber/Lug Sole, Zipper. Colour: Other Black. Materials: Upper: Leather, Sole: Thermo Plastic Rubber. Measurements: Heel Height: 2.25 In (5.72 Cm). These are lace-up biker boots designed for comfort and style.